Are there any GUT's that do not violate baryon number?(adsbygoogle = window.adsbygoogle || []).push({});

It's my understanding SU(5), SUSY SU(5) and SO(10) have been falsified by current bounds on proton decay.

Alternatively, given the current bounds of proton decay is 10^33 years 95% confidence and counting, if physicists a century from now of looking for proton decay and come up with null results conclude that baryon number is conserved, would this falsify all GUT scenarios?

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# Are there any GUT's that do not violate baryon number?

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